Senior Full-Stack Software Engineer

Role Description

We are seeking a highly experienced and versatile Senior Full-Stack Software Engineer with Japanese language proficiency to lead the design, development, and maintenance of enterprise-grade applications and automation systems. The ideal candidate will have a strong foundation in software architecture, full-stack development, and project leadership, with a proven track record of delivering scalable, user-friendly, and high-performance solutions across diverse industries including finance, e-commerce, and enterprise systems.

• Design and develop robust backend systems, RESTful APIs, and front-end interfaces using technologies such as Python, Java, C#, React, and SQL.

• Lead end-to-end software development lifecycle: requirements gathering, architecture design, coding, testing, deployment, and documentation.

• Build and optimize ETL pipelines and data warehouses for regulatory reporting and business intelligence.

• Develop automation tools to streamline business operations and reduce manual workloads.

• Collaborate with cross-functional teams such as Global Market vertical function, Risk management department, Product Control, and Tokyo head office to define and deliver solutions.

• Conduct code reviews, mentor junior developers, and contribute to continuous improvement of development practices.

• Support and troubleshoot production systems and provide technical support to users.

• 5+ years of professional experience in software engineering, with a focus on full-stack development.

• Fluency in Japanese (reading, writing, and speaking) is required to communicate with relevant head office functions.

• Proficiency in multiple programming languages:
  Python, Java, C#, JavaScript, HTML/CSS.

• Strong experience with frameworks and tools:
  React, Spring Boot, Django, Flask, Docker, AWS.

• Solid understanding of database systems:
  Oracle, MySQL, Postgre
  
  SQL, SQL Server, Mongo
  
  DB.

• Experience with CI/CD pipelines, Agile methodologies, and microservices architecture.

• Excellent problem-solving skills and attention to detail.

• Strong communication and project management abilities.

• Experience working in financial services or regulated industries is a plus.
  
  Preferred Qualifications:

• Experience with automation tools like Power Automate and BI tools like Power BI.

• Familiarity with legacy systems and modernization strategies.

• Knowledge of regulatory reporting and banking operations.

• Prior experience in mentoring and leading development teams.

Education:

Bachelor’s degree in Computer Science, Engineering, or related field.

Additional coursework in Accounting, Business, or related disciplines is a plus

SMBC’s employees participate in a Hybrid workforce model that provides employees with an opportunity to work from home, as well as, from an SMBC office. SMBC requires that employees live within a reasonable commuting distance of their office location. Prospective candidates will learn more about their specific hybrid work schedule during their interview process. Hybrid work may not be permitted for certain roles, including, for example, certain FINRA-registered roles for which in-office attendance for the entire workweek is required.

SMBC provides reasonable accommodations during candidacy for applicants with disabilities consistent with applicable federal, state, and local law. If you need a reasonable accommodation during the application process, please let us know at

EOE, including Disability/veterans